diff --git a/configure.ac b/configure.ac
index 2e5c69270c28d3ed9df3f51558bf140087d8ed75..529fd3d05b8e2bf565a9ce400e5b0c4c329dfeb7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.69])
-AC_INIT([aribb24], [1.0.3], [nkoriyama@gmail.com])
+AC_INIT([aribb24], [1.0.4], [nkoriyama@gmail.com])
 AM_INIT_AUTOMAKE([foreign subdir-objects])
 AC_CONFIG_MACRO_DIR([m4])